Hmmm... I see what you mean.  Couldn't you map an int reference to something like:

class IntegerReference :
    def __setattr__(self, name, value) :
        #BPL code here 
       
    def __getattr__ (self, name) :
        #BPL code here

Then you could do something like:
i = Obj.FnThatReturnsAnIntRef()
i.value = 45

IntegerReference would keep a pointer to the original integer (I'm assuming you can do this:
 keep
the address of the original variable as a python int or something, and then deference it in 
C?). 
Then set and get would deference the pointer, and get/set the value respectively.

It's a pity that one can't overload the assignment operator in python (not that I've seen an
yhow).
 The "i.value" mechanism is not the cleanest, and I'd prefer to do "i=5" but I'd rather have
 some
mechanism than nothing.  Perhaps there is a better way. I fairly new to python.

Thanks for the quick response. ;)

Joel


--- David Abrahams <dave@[...].com>  wrote:
>  Joel Gerard <llywelyn.geo@[...].com> writes:
>  
>  > I hope this doesn't get me the dumb question of the day award but...
>  >
>  > How do you return a pointer/reference to a member variable(a basic type) and modify it f
rom
>  > python?
>  
>  You don't.  Basic types get mapped to Python ints, longs, and
>  strings, all of which are immutable.  YOu can't modify them.
>  
>  Decide what interface you'd like to see for this code in Python, code
>  up a pure-Python mock-up which does what you want, and we can discuss
>  how to achieve it with BPL.
>  
>  -- 
>  Dave Abrahams
>  Boost Consulting
>  www.boost-consulting.com
>  
>  
>  _______________________________________________
>  C++-sig mailing list
>  C++-sig@[...].org
>  http://mail.python.org/mailman/listinfo/c++-sig


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